PROJECT_NAME     := secure_bootloader_ble_s112_pca10040
TARGETS          := bootloader
OUTPUT_DIRECTORY := ../_build

SDK_ROOT := $(NRF52_SDK_ROOT)
PROJ_DIR := ./src
BOARD ?= LCD

$(OUTPUT_DIRECTORY)/bootloader.out: \
  LINKER_SCRIPT  := ../ld/bootloader.ld

# Source files common to all targets
SRC_FILES += \
  $(SDK_ROOT)/modules/nrfx/mdk/gcc_startup_nrf52.S \
  $(SDK_ROOT)/modules/nrfx/mdk/system_nrf52.c \
  $(SDK_ROOT)/components/libraries/log/src/nrf_log_frontend.c \
  $(SDK_ROOT)/components/libraries/log/src/nrf_log_str_formatter.c \
  $(SDK_ROOT)/components/libraries/util/app_error_weak.c \
  $(SDK_ROOT)/components/libraries/scheduler/app_scheduler.c \
  $(SDK_ROOT)/components/libraries/util/app_util_platform.c \
  $(SDK_ROOT)/components/libraries/crc32/crc32.c \
  $(SDK_ROOT)/components/libraries/mem_manager/mem_manager.c \
  $(SDK_ROOT)/components/libraries/util/nrf_assert.c \
  $(SDK_ROOT)/components/libraries/atomic_fifo/nrf_atfifo.c \
  $(SDK_ROOT)/components/libraries/atomic/nrf_atomic.c \
  $(SDK_ROOT)/components/libraries/balloc/nrf_balloc.c \
  $(SDK_ROOT)/external/fprintf/nrf_fprintf.c \
  $(SDK_ROOT)/external/fprintf/nrf_fprintf_format.c \
  $(SDK_ROOT)/components/libraries/fstorage/nrf_fstorage.c \
  $(SDK_ROOT)/components/libraries/fstorage/nrf_fstorage_nvmc.c \
  $(SDK_ROOT)/components/libraries/fstorage/nrf_fstorage_sd.c \
  $(SDK_ROOT)/components/libraries/memobj/nrf_memobj.c \
  $(SDK_ROOT)/components/libraries/queue/nrf_queue.c \
  $(SDK_ROOT)/components/libraries/ringbuf/nrf_ringbuf.c \
  $(SDK_ROOT)/components/libraries/experimental_section_vars/nrf_section_iter.c \
  $(SDK_ROOT)/components/libraries/strerror/nrf_strerror.c \
  $(SDK_ROOT)/components/libraries/sha256/sha256.c \
  $(SDK_ROOT)/components/libraries/crypto/backend/micro_ecc/micro_ecc_backend_ecc.c \
  $(SDK_ROOT)/components/libraries/crypto/backend/micro_ecc/micro_ecc_backend_ecdh.c \
  $(SDK_ROOT)/components/libraries/crypto/backend/micro_ecc/micro_ecc_backend_ecdsa.c \
  $(SDK_ROOT)/components/boards/boards.c \
  $(SDK_ROOT)/modules/nrfx/hal/nrf_nvmc.c \
  $(SDK_ROOT)/modules/nrfx/soc/nrfx_atomic.c \
  $(SDK_ROOT)/components/libraries/crypto/nrf_crypto_ecc.c \
  $(SDK_ROOT)/components/libraries/crypto/nrf_crypto_ecdsa.c \
  $(SDK_ROOT)/components/libraries/crypto/nrf_crypto_hash.c \
  $(SDK_ROOT)/components/libraries/crypto/nrf_crypto_init.c \
  $(SDK_ROOT)/components/libraries/crypto/nrf_crypto_shared.c \
  $(SDK_ROOT)/integration/nrfx/legacy/nrf_drv_spi.c \
  $(SDK_ROOT)/modules/nrfx/drivers/src/nrfx_spim.c \
  $(PROJ_DIR)/dfu_public_key.c \
  $(PROJ_DIR)/main.c \
  $(PROJ_DIR)/lcd_comm.c \
  $(PROJ_DIR)/lcd_drv.c \
  $(SDK_ROOT)/components/ble/common/ble_srv_common.c \
  $(SDK_ROOT)/components/libraries/bootloader/nrf_bootloader.c \
  $(SDK_ROOT)/components/libraries/bootloader/nrf_bootloader_app_start.c \
  $(SDK_ROOT)/components/libraries/bootloader/nrf_bootloader_app_start_final.c \
  $(SDK_ROOT)/components/libraries/bootloader/nrf_bootloader_dfu_timers.c \
  $(SDK_ROOT)/components/libraries/bootloader/nrf_bootloader_fw_activation.c \
  $(SDK_ROOT)/components/libraries/bootloader/nrf_bootloader_info.c \
  $(SDK_ROOT)/components/libraries/bootloader/nrf_bootloader_wdt.c \
  $(SDK_ROOT)/external/nano-pb/pb_common.c \
  $(SDK_ROOT)/external/nano-pb/pb_decode.c \
  $(SDK_ROOT)/components/libraries/crypto/backend/nrf_sw/nrf_sw_backend_hash.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/dfu-cc.pb.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/nrf_dfu.c \
  $(SDK_ROOT)/components/libraries/bootloader/ble_dfu/nrf_dfu_ble.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/nrf_dfu_flash.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/nrf_dfu_handling_error.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/nrf_dfu_mbr.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/nrf_dfu_req_handler.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/nrf_dfu_settings.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/nrf_dfu_settings_svci.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/nrf_dfu_transport.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/nrf_dfu_utils.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/nrf_dfu_validation.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/nrf_dfu_ver_validation.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/nrf_dfu_svci.c \
  $(SDK_ROOT)/components/libraries/bootloader/dfu/nrf_dfu_svci_handler.c \
  $(SDK_ROOT)/components/libraries/svc/nrf_svc_handler.c \
  $(SDK_ROOT)/components/softdevice/common/nrf_sdh.c \
  $(SDK_ROOT)/components/softdevice/common/nrf_sdh_ble.c \
  $(SDK_ROOT)/components/softdevice/common/nrf_sdh_soc.c \
  $(SDK_ROOT)/components/libraries/crypto/backend/oberon/oberon_backend_chacha_poly_aead.c \
  $(SDK_ROOT)/components/libraries/crypto/backend/oberon/oberon_backend_ecc.c \
  $(SDK_ROOT)/components/libraries/crypto/backend/oberon/oberon_backend_ecdh.c \
  $(SDK_ROOT)/components/libraries/crypto/backend/oberon/oberon_backend_ecdsa.c \
  $(SDK_ROOT)/components/libraries/crypto/backend/oberon/oberon_backend_eddsa.c \
  $(SDK_ROOT)/components/libraries/crypto/backend/oberon/oberon_backend_hash.c \
  $(SDK_ROOT)/components/libraries/crypto/backend/oberon/oberon_backend_hmac.c \

# Include folders common to all targets
INC_FOLDERS += \
  $(SDK_ROOT)/components/libraries/crypto/backend/micro_ecc \
  $(SDK_ROOT)/components/softdevice/s112/headers \
  $(SDK_ROOT)/components/libraries/memobj \
  $(SDK_ROOT)/components/libraries/sha256 \
  $(SDK_ROOT)/components/libraries/crc32 \
  $(SDK_ROOT)/components/libraries/experimental_section_vars \
  $(SDK_ROOT)/components/libraries/mem_manager \
  $(SDK_ROOT)/components/libraries/fstorage \
  $(SDK_ROOT)/components/libraries/util \
  $(SDK_ROOT)/modules/nrfx \
  $(SDK_ROOT)/external/nrf_oberon/include \
  $(SDK_ROOT)/components/libraries/crypto/backend/oberon \
  $(SDK_ROOT)/components/libraries/crypto/backend/cifra \
  $(SDK_ROOT)/components/libraries/atomic \
  $(SDK_ROOT)/integration/nrfx \
  $(SDK_ROOT)/components/libraries/crypto/backend/cc310_bl \
  $(SDK_ROOT)/components/softdevice/s112/headers/nrf52 \
  $(SDK_ROOT)/components/libraries/log/src \
  $(SDK_ROOT)/components/libraries/bootloader/dfu \
  $(SDK_ROOT)/components/ble/common \
  $(SDK_ROOT)/components/libraries/delay \
  $(SDK_ROOT)/components/libraries/svc \
  $(SDK_ROOT)/components/libraries/stack_info \
  $(SDK_ROOT)/components/libraries/crypto/backend/nrf_hw \
  $(SDK_ROOT)/components/libraries/log \
  $(SDK_ROOT)/external/nrf_oberon \
  $(SDK_ROOT)/components/libraries/strerror \
  $(SDK_ROOT)/components/libraries/crypto/backend/mbedtls \
  $(SDK_ROOT)/components/boards \
  $(SDK_ROOT)/components/libraries/crypto/backend/cc310 \
  $(SDK_ROOT)/components/libraries/bootloader \
  $(SDK_ROOT)/external/fprintf \
  $(SDK_ROOT)/components/libraries/crypto \
  ./config \
  $(SDK_ROOT)/components/libraries/crypto/backend/optiga \
  $(SDK_ROOT)/components/libraries/scheduler \
  $(SDK_ROOT)/modules/nrfx/hal \
  $(SDK_ROOT)/components/toolchain/cmsis/include \
  $(SDK_ROOT)/components/libraries/balloc \
  $(SDK_ROOT)/components/libraries/atomic_fifo \
  $(SDK_ROOT)/external/micro-ecc/micro-ecc \
  $(PROJ_DIR) \
  $(PROJ_DIR)/../../application/src \
  $(SDK_ROOT)/components/libraries/crypto/backend/nrf_sw \
  $(SDK_ROOT)/modules/nrfx/mdk \
  $(SDK_ROOT)/components/libraries/bootloader/ble_dfu \
  $(SDK_ROOT)/components/softdevice/common \
  $(SDK_ROOT)/external/nano-pb \
  $(SDK_ROOT)/components/libraries/queue \
  $(SDK_ROOT)/components/libraries/ringbuf \
  $(SDK_ROOT)/external/mbedtls/include \
  $(SDK_ROOT)/integration/nrfx/legacy \
  $(SDK_ROOT)/modules/nrfx/hal \
  $(SDK_ROOT)/integration/nrfx \
  $(SDK_ROOT)/modules/nrfx/drivers/include \

# Libraries common to all targets
LIB_FILES += \
  $(SDK_ROOT)/external/nrf_oberon/lib/cortex-m4/hard-float/liboberon_3.0.8.a \
  $(SDK_ROOT)/external/micro-ecc/nrf52hf_armgcc/armgcc/micro_ecc_lib_nrf52.a \

# Optimization flags
OPT = -Os -g3
# Uncomment the line below to enable link time optimization
#OPT += -flto

# C flags common to all targets
CFLAGS += $(OPT)
CFLAGS += -DBLE_STACK_SUPPORT_REQD
CFLAGS += -DCONFIG_GPIO_AS_PINRESET
CFLAGS += -DFLOAT_ABI_HARD
CFLAGS += -DNRF52
CFLAGS += -DNRF52832_XXAA
CFLAGS += -DNRF52_PAN_74
CFLAGS += -DNRF_DFU_SETTINGS_VERSION=2
CFLAGS += -DNRF_DFU_SVCI_ENABLED
CFLAGS += -DNRF_SD_BLE_API_VERSION=7
CFLAGS += -DS112
CFLAGS += -DSOFTDEVICE_PRESENT
CFLAGS += -DSVC_INTERFACE_CALL_AS_NORMAL_FUNCTION
CFLAGS += -DuECC_ENABLE_VLI_API=0
CFLAGS += -DuECC_OPTIMIZATION_LEVEL=3
CFLAGS += -DuECC_SQUARE_FUNC=0
CFLAGS += -DuECC_SUPPORT_COMPRESSED_POINT=0
CFLAGS += -DuECC_VLI_NATIVE_LITTLE_ENDIAN=1
CFLAGS += -mcpu=cortex-m4
CFLAGS += -mthumb -mabi=aapcs
# CFLAGS += -Wall -Werror=array-bounds
CFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
# keep every function in a separate section, this allows linker to discard unused ones
CFLAGS += -ffunction-sections -fdata-sections -fno-strict-aliasing
CFLAGS += -fno-builtin -fshort-enums
CFLAGS += -DBOARD_CUSTOM
CFLAGS += -DBOARD_$(BOARD)

# C++ flags common to all targets
CXXFLAGS += $(OPT)
# Assembler flags common to all targets
ASMFLAGS += -g3
ASMFLAGS += -mcpu=cortex-m4
ASMFLAGS += -mthumb -mabi=aapcs
ASMFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
ASMFLAGS += -DBLE_STACK_SUPPORT_REQD
ASMFLAGS += -DCONFIG_GPIO_AS_PINRESET
ASMFLAGS += -DFLOAT_ABI_HARD
ASMFLAGS += -DNRF52
ASMFLAGS += -DNRF52832_XXAA
ASMFLAGS += -DNRF52_PAN_74
ASMFLAGS += -DNRF_DFU_SETTINGS_VERSION=2
ASMFLAGS += -DNRF_DFU_SVCI_ENABLED
ASMFLAGS += -DNRF_SD_BLE_API_VERSION=7
ASMFLAGS += -DS112
ASMFLAGS += -DSOFTDEVICE_PRESENT
ASMFLAGS += -DSVC_INTERFACE_CALL_AS_NORMAL_FUNCTION
ASMFLAGS += -DuECC_ENABLE_VLI_API=0
ASMFLAGS += -DuECC_OPTIMIZATION_LEVEL=3
ASMFLAGS += -DuECC_SQUARE_FUNC=0
ASMFLAGS += -DuECC_SUPPORT_COMPRESSED_POINT=0
ASMFLAGS += -DuECC_VLI_NATIVE_LITTLE_ENDIAN=1
ASMFLAGS += -DBOARD_CUSTOM
ASMFLAGS += -DBOARD_$(BOARD)

# Linker flags
LDFLAGS += $(OPT)
LDFLAGS += -mthumb -mabi=aapcs -L$(SDK_ROOT)/modules/nrfx/mdk -T$(LINKER_SCRIPT)
LDFLAGS += -mcpu=cortex-m4
LDFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
# let linker dump unused sections
LDFLAGS += -Wl,--gc-sections
# use newlib in nano version
LDFLAGS += --specs=nano.specs

nrf52832_xxaa_s132: CFLAGS += -D__HEAP_SIZE=0
bootloader: ASMFLAGS += -D__HEAP_SIZE=0

# Add standard libraries at the very end of the linker input, after all objects
# that may need symbols provided by these libraries.
LIB_FILES += -lc -lnosys -lm

# oled
ifeq ($(OLED_TYPE), sh1106)
  CFLAGS += -DOLED_TYPE_SH1106
endif

.PHONY: default help

# Default target - first one defined
default: bootloader

# Print all targets that can be built
help:
	@echo following targets are available:
	@echo		bootloader
	@echo		flash      - flashing binary

TEMPLATE_PATH := $(SDK_ROOT)/components/toolchain/gcc


include $(TEMPLATE_PATH)/Makefile.common

$(foreach target, $(TARGETS), $(call define_target, $(target)))

.PHONY: flash privgen

# Flash the program
flash: default
	@echo Flashing: $(OUTPUT_DIRECTORY)/bootloader.hex
	nrfjprog -f nrf52 --program $(OUTPUT_DIRECTORY)/bootloader.hex --sectorerase
	nrfjprog -f nrf52 --reset

privgen:
	nrfutil keys generate priv.pem
	nrfutil keys display --key pk --format code priv.pem --out_file dfu_public_key.c
